Solve.Suppose that you have $10.85 in dimes and nickels. How many of each coin do you have if the number of dimes you have is three times the number of nickels?
A. 32 nickels, 92 dimes
B. 41 nickels, 92 dimes
C. 93 nickels, 31 dimes
D. 31 nickels, 93 dimes
Answer: D
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Solve the right triangle. Express angles in decimal degrees.
B = 54.1°, c = 0.0536
A. A = 54.1°, a = 0.0314, b = 0.0434 B. A = 35.9°, a = 0.0314, b = 0.0434 C. A = 54.1°, a = 0.0434, b = 0.0314 D. A = 35.9°, a = 0.0434, b = 0.0314
Solve.The equation that represents the proper traffic control and emergency vehicle response availability in a small city is 
where P is the number of police cars on active duty and F is the number of fire trucks that have left the firehouse in response to a call. In order to comply with staffing limitations, the equation 
is appropriate. The number of police cars on active duty and the number of fire trucks that have left the firehouse in response to a call cannot be negative, so 
style="vertical-align: -4.0px;" /> and 
Graph the regions satisfying all the availability and staffing requirements, using the horizontal axis for P and the vertical axis for F. If 7 police cars are on active duty and 3 fire trucks have left the firehouse in response to a call, are all of the requirements satisfied?
A. 
; Yes
B. 
; Yes
C. 
; No
D. 
; No
Randy and Jake are brothers living in the same city in homes that are about the same age and size. One brother has recently purchased an energy-efficient gas furnace while the other brother relies on an older, less efficient, oil furnace. By comparing the lines of the graph, it appears that Randy has the more energy efficient furnace.
Answer the following statement true (T) or false (F)
Solve. Give an exact answer unless indicated otherwise.sin-1 2x + 2 cos-1 x = ?
A. x = ± 
B. x = 0
C. x = ± 
D. x = 1